66883240

素因数分解:

$2^3\times 5^1\times {\mathrm{1672081}}^1$

素因数の和:1672092

約数の個数: 16

約数和(自身を含む): 150487380

約数和(自身を除く): 83604140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1672081, 3344162, 6688324, 8360405, 13376648, 16720810, 33441620, 66883240]

約数ペア:

[(1, 66883240), (2, 33441620), (4, 16720810), (5, 13376648), (8, 8360405), (10, 6688324), (20, 3344162), (40, 1672081)]